06-09-2017
Mathematics

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g^2 – 9 factor each expression please help

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jimthompson5910 jimthompson5910

06-09-2017

Using the difference of squares rule, we can say
g^2 - 9 = g^2 - 3^2
g^2 - 9 = (g-3)(g+3)

So, the answer is (g-3)(g+3). This is the same as (g+3)(g-3)

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